Выполните умножение: \(\dfrac{18m^3}{5n^2}\cdot\dfrac{25n}{12m^2}.\)

• \(\dfrac{15m}{2n}\)
• \(\dfrac{450m^3n}{60m^2n^2}\)
• \(\dfrac{45m^3n}{6m^2n^2}\)
• \(\dfrac{2n}{15m}\)